JPS60176120U - measuring device - Google Patents
measuring deviceInfo
- Publication number
- JPS60176120U JPS60176120U JP6445184U JP6445184U JPS60176120U JP S60176120 U JPS60176120 U JP S60176120U JP 6445184 U JP6445184 U JP 6445184U JP 6445184 U JP6445184 U JP 6445184U JP S60176120 U JPS60176120 U JP S60176120U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- disturbance
- abnormality
- alternating power
- measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Measuring Volume Flow (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Details Of Flowmeters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図および第２図は本考案−実施例の測定装置を示し
、第１図は全体の構成を示すブロック図、第２図は第１
図の検出部の一例を示す詳細図である。
１・・・・・・検出部、２・・・・・・プロセス配管系
、３・・・・・・パイプ、６，６′・・・・・・電極、
８・・・・・・検出部用交番電力、１０・・・・・・変
換部、１１・・・・・・異常検出部、１２・・・・・・
クロック部、１３・・・・・・交番電力発生部、１４・
・・・・・検出部の出力信号、１５・・・・・・外乱回
避処理部、１６・・・・・・測定装置出力、２０・・・
・・・周波数変更命令、２３・・・・・・外乱検知部。1 and 2 show a measuring device according to an embodiment of the present invention, FIG. 1 is a block diagram showing the overall configuration, and FIG.
FIG. 3 is a detailed diagram showing an example of the detection unit shown in the figure. 1...detection section, 2...process piping system, 3...pipe, 6, 6'...electrode,
8... Alternate power for detection unit, 10... Conversion unit, 11... Abnormality detection unit, 12...
Clock section, 13... Alternating power generation section, 14.
... Output signal of the detection section, 15 ... Disturbance avoidance processing section, 16 ... Measurement device output, 20 ...
...Frequency change command, 23...Disturbance detection section.
Claims (2)
を配置した検出部および測定に必要となる検出部用交番
電力を供給する交番電力発生部を有してなり前記被測定
流体のプロセス量測定時に前記検出部の電極から周期的
な外乱が測定信号に重畳して測定結果に異常を起す事態
が発生する測定装置において、前記周期的な外乱の周波
数と前記検出部用交番電力の周波数とが干渉し測定結果
に異常を起す外乱の周波数を検知し前記検出部用交番電
力の周波数を測定結果に異常を発生させない周波数に移
行させる外乱回避処理部を有することを特徴とする測定
装置。(1) The process piping system includes a detection section in which an electrode is placed in contact with the fluid to be measured in the pipe, and an alternating power generation section that supplies alternating power for the detection section necessary for measurement, and the process of the fluid to be measured. In a measuring device in which a periodic disturbance from the electrode of the detection section is superimposed on the measurement signal during quantity measurement, causing an abnormality in the measurement result, the frequency of the periodic disturbance and the frequency of the alternating power for the detection section. A measuring device comprising: a disturbance avoidance processing section that detects a frequency of disturbance that interferes with the other components and causes an abnormality in the measurement results, and shifts the frequency of the alternating power for the detection section to a frequency that does not cause abnormalities in the measurement results.
検知部からの外乱信号を受けてこの外乱信号の周波数が
測定結果に異常を起す周波数と一致したとき異常状態発
生と判断する異常検出部と、この異常検出部から異常検
出時に出力される周波数変更命令によって交番電力発生
部の検出部用交番電力の周波数を測定結果に異常を発生
させない周波数に移行させるクロック部とを備えたこと
を特徴とする実用新案登録請求の範囲第１項記載の測定
装置。(2) The disturbance avoidance processing unit receives a disturbance signal from the disturbance detection unit that detects periodic disturbances, and determines that an abnormal state has occurred when the frequency of this disturbance signal matches the frequency that causes an abnormality in the measurement result. A detection unit, and a clock unit that shifts the frequency of the alternating power for the detection unit of the alternating power generation unit to a frequency that does not cause an abnormality in the measurement result according to a frequency change command output from the abnormality detection unit when an abnormality is detected. A measuring device according to claim 1 of the utility model registration claim, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6445184U JPS60176120U (en) | 1984-05-02 | 1984-05-02 | measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6445184U JPS60176120U (en) | 1984-05-02 | 1984-05-02 | measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60176120U true JPS60176120U (en) | 1985-11-21 |
| JPH0351703Y2 JPH0351703Y2 (en) | 1991-11-07 |
Family
ID=30595548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6445184U Granted JPS60176120U (en) | 1984-05-02 | 1984-05-02 | measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60176120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009300360A (en) * | 2008-06-17 | 2009-12-24 | Yokogawa Electric Corp | Electromagnetic flowmeter |
| JP2013536416A (en) * | 2010-08-11 | 2013-09-19 | ローズマウント インコーポレイテッド | Noise detection and avoidance |
-
1984
- 1984-05-02 JP JP6445184U patent/JPS60176120U/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009300360A (en) * | 2008-06-17 | 2009-12-24 | Yokogawa Electric Corp | Electromagnetic flowmeter |
| JP2013536416A (en) * | 2010-08-11 | 2013-09-19 | ローズマウント インコーポレイテッド | Noise detection and avoidance |
| US9057634B2 (en) | 2010-08-11 | 2015-06-16 | Rosemount Inc. | Noise detection and avoidance |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351703Y2 (en) | 1991-11-07 |
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